var EHandler = {};
if (document.addEventListener) {
EHandler.add = function(element, eType, eFunc) {
if (eType == "load") {
if (typeof window.onload == "function") {
var existingOnload = window.onload;
window.onload = function() {
existingOnload();
eFunc();
} //end existing onload handler
} else {
window.onload = eFunc;
}
} else {
element.addEventListener(eType, eFunc, false);
}
};
EHandler.remove = function(element, eType, eFunc) {
element.removeEventListener(eType, eFunc, false);
};
}
else if (document.attachEvent) {
EHandler.add = function(element, eType, eFunc) {
if (eType == "load") {
if (typeof window.onload == "function") {
var existingOnload = window.onload;
window.onload = function() {
existingOnload();
eFunc();
} //end existing onload handler
} else {
window.onload = eFunc;
}
} else {
element.attachEvent("on" + eType, eFunc);
}
};
EHandler.remove = function(element, eType, eFunc) {
element.detachEvent("on" + eType, eFunc);
};
}